Truly a beautiful multicolored stone from Western Australia. It is formed from matrix of shells of tiny Radiolara that lived in Ancient Seas falling to the botum. Gradually microcrystalline Quartz with trace minerals depositing forming a material like Jasper. All ot or specimen are finely polished. If you are interested in more information for any listed or related items email us at olson352@aol.com (or go to information page).